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Finding the Fourth Proportional to 366,908.60, 550,362.90 and 266,857.40

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Solution

The fourth proportional to 366,908.60, 550,362.90 and 266,857.40 is: 400,286.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    366,908.60 : 550,362.90 = 266,857.40 : x
  2. Step 2: Convert to fraction form
    366,908.60/550,362.90 = 266,857.40/x
  3. Step 3: Cross multiply
    366,908.60x = 550,362.90 × 266,857.40
  4. Step 4: Simplify right side
    366,908.60x = 146,868,412,550.46
  5. Step 5: Solve for x
    x = 146,868,412,550.46/366,908.60
  6. Step 6: Final answer
    x = 400,286.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.